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Here are the technical service bulletins we have for the 2020 TOYOTA SIENNA. If you have any questions, do not hesitate to Contact Us:
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190116
060000 ENGINE AND ENGINE COOLING
TT: The current engine active test ?Control the Injection Mode? is not operating as desired when controlling the direct injectors manually on 2GR-FKS engines. When direct injection is started and then stopped using the active test, current
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 190000 TIRES
20190102
190000 TIRES
TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinished before vehicle delivery, it is important that the tires
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190107
110000 ELECTRICAL SYSTEM
TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20190107
350000 EQUIPMENT
TSB: An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Entune? 3.0 Audio, Entune? 3.0 Audio Plus, and Entune? 3.0 Premium Audio head units before they are used for the first time on new vehicles. The
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20190108
350000 EQUIPMENT
TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage cond
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 200000 WHEELS
20190222
200000 WHEELS
TT: Some Highlander and Sienna clad/chrome wheels might experience bubbling and/or peeling off on the wheel coating (see picture below). Table below shows the wheel part numbers affected by the issue.
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 353600 EQUIPMENT:AIR CONDITIONER
20190225
353600 EQUIPMENT:AIR CONDITIONER
TT: HVAC drain tube is found to be blocked/clogged.
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190619
110000 ELECTRICAL SYSTEM
TT: The new 12V Battery Warranty Testers (DSS-5000 & DCA-8000) require certain information to generate a test result and warranty code. Below is an explanation of what information is required when testing a 12V battery on the new Warranty B
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 270000 LANE DEPARTURE
20190417
270000 LANE DEPARTURE
TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage S
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190417
356000 EQUIPMENT ADAPTIVE
TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage S
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190417
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage S
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 130000 VISIBILITY
20190417
130000 VISIBILITY
TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage S
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190412
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS. ? Careful inspection for paint chips/scratches and body d
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 160000 STRUCTURE
20190412
160000 STRUCTURE
TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS. ? Careful inspection for paint chips/scratches and body d
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190412
110000 ELECTRICAL SYSTEM
TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS. ? Careful inspection for paint chips/scratches and body d
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20190624
350000 EQUIPMENT
TSB: TMNA Accessory Sales and Marketing has developed a Toyota paint protection film (PPF) decal (treated with a specially developed light adhesive) for 2019 ? 2020 model year Toyota vehicles. The decal comes in two sizes (2.8 in. x 8 in. a
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 160000 STRUCTURE
20190624
160000 STRUCTURE
TSB: TMNA Accessory Sales and Marketing has developed a Toyota paint protection film (PPF) decal (treated with a specially developed light adhesive) for 2019 ? 2020 model year Toyota vehicles. The decal comes in two sizes (2.8 in. x 8 in. a
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190701
060000 ENGINE (PWS)
TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has be
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190701
110000 ELECTRICAL SYSTEM
TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has be
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 100000 POWER TRAIN
20190701
100000 POWER TRAIN
TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has be
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20190703
350000 EQUIPMENT
TSB: Some 2009 ? 2019 model year Toyota vehicles with super chrome wheel finishes may become discolored and/or damaged when aftermarket cleaners, polishes, or brake dust removal products are used on wheels with super chrome finishes. Wheel
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 200000 WHEELS
20190703
200000 WHEELS
TSB: Some 2009 ? 2019 model year Toyota vehicles with super chrome wheel finishes may become discolored and/or damaged when aftermarket cleaners, polishes, or brake dust removal products are used on wheels with super chrome finishes. Wheel
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190703
356000 EQUIPMENT ADAPTIVE
TSB: REVISION NOTICE July 03, 2019 Rev1: ? Applicability has been updated to include 2020 model year Supra vehicles. ? The Hook and Loop Style section has been added. Any previous printed versions of this bulletin should be discarded. 2020
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20190716
350000 EQUIPMENT
TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one of the reasons may be related to the DCA-8000. We are investig
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190716
110000 ELECTRICAL SYSTEM
TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one of the reasons may be related to the DCA-8000. We are investig
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190916
110000 ELECTRICAL SYSTEM
TT: Some customers may experience a call failure when attempting to call a conference call number that has been saved in their phonebook (ex: ?8005550122,,,1.,2;;;2#?). This issue is caused by changes to the Bluetooth in the iOS 13 update a
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200124
350000 EQUIPMENT
TSB: REVISION NOTICE January 24, 2020 Rev1: ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. A battery in a stored vehicle is subject to conditions that can reduce its performance
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200207
350000 EQUIPMENT
An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio Plus, and Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also be perf
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
20200210
280000 BACK OVER PREVENTION
Some 2019 model year RAV4, RAV4 Hybrid and some 2019 ? 2020 model year Sienna vehicles equipped Audio Plus (version 1010) or Premium Audio (version 1010) or earlier may exhibit one or more of the following conditions: ?Toyota Apps fail to
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 200000 WHEELS
20200210
200000 WHEELS
Some 2019 model year RAV4, RAV4 Hybrid and some 2019 ? 2020 model year Sienna vehicles equipped Audio Plus (version 1010) or Premium Audio (version 1010) or earlier may exhibit one or more of the following conditions: ?Toyota Apps fail to
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200210
110000 ELECTRICAL SYSTEM
Some 2019 model year RAV4, RAV4 Hybrid and some 2019 ? 2020 model year Sienna vehicles equipped Audio Plus (version 1010) or Premium Audio (version 1010) or earlier may exhibit one or more of the following conditions: ?Toyota Apps fail to
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 050000 PARKING BRAKE
20200210
050000 PARKING BRAKE
Some 2019 model year RAV4, RAV4 Hybrid and some 2019 ? 2020 model year Sienna vehicles equipped Audio Plus (version 1010) or Premium Audio (version 1010) or earlier may exhibit one or more of the following conditions: ?Toyota Apps fail to
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 010000 STEERING
20200210
010000 STEERING
Some 2019 model year RAV4, RAV4 Hybrid and some 2019 ? 2020 model year Sienna vehicles equipped Audio Plus (version 1010) or Premium Audio (version 1010) or earlier may exhibit one or more of the following conditions: ?Toyota Apps fail to
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20191213
350000 EQUIPMENT
TSB: REVISION NOTICE December 13, 2019 Rev1: ? Applicability has been updated to include several 2020 model year Toyota vehicles. ? The Required Tools & Equipment section has been updated. Any previous printed versions of this bulletin sho
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200218
350000 EQUIPMENT
Safety Recall and Service Campaign - Technician Certification Requirements
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20200218
353000 EQUIPMENT:ELECTRICAL
TT: Some vehicles equipped with Dynamic Navigation may experience a pop-up message notifying them that their map update service will end soon. The date that is shown could be more than one year in the future. This does not indicate any issu
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 010000 STEERING
20191021
010000 STEERING
TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions a
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200123
350000 EQUIPMENT
TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has develope
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200122
350000 EQUIPMENT
TSB: REVISION NOTICE January 22, 2020 Rev1: ? The Battery subsection has been updated. Any previous printed versions of this bulletin should be discarded. Long-term or off-site storage requires special care to keep vehicles factory fresh an
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200127
350000 EQUIPMENT
TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to be a ?leak? should b
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20191118
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active after the initial trial period. Once the subscription has expired the DCM (Telematics Transceiver) will be in an inactive state. In some in
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
20191118
353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active after the initial trial period. Once the subscription has expired the DCM (Telematics Transceiver) will be in an inactive state. In some in
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20191118
110000 ELECTRICAL SYSTEM
TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active after the initial trial period. Once the subscription has expired the DCM (Telematics Transceiver) will be in an inactive state. In some in
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
20191205
280000 BACK OVER PREVENTION
TT: All grades of 2018-2020 model year Mirai, Sienna, CH-R, and 2020 model year Land Cruiser, Prius, and Prius Prime vehicles are not compatible with Toyota Remote Connect app features. The Toyota Remote Connect mobile app lets you lock and
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 150000 SEAT BELTS
20191205
150000 SEAT BELTS
TT: All grades of 2018-2020 model year Mirai, Sienna, CH-R, and 2020 model year Land Cruiser, Prius, and Prius Prime vehicles are not compatible with Toyota Remote Connect app features. The Toyota Remote Connect mobile app lets you lock and
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200406
350000 EQUIPMENT
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, PG006-01, PG004-97, T-SB-0144-08, and T-SB-0304-17. The a
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200312
350000 EQUIPMENT
Safety Recall and Service Campaign - Technician Certification Requirements
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200423
350000 EQUIPMENT
TT: Due to the challenges caused by the COVID-19 virus threat, some dealers are experiencing reduced traffic into their stores and causing dealer stock to age. Due to this situation, dealers are reminded and recommended to follow the Long-T
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 270000 LANE DEPARTURE
20200409
270000 LANE DEPARTURE
TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 130000 VISIBILITY
20200409
130000 VISIBILITY
TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200528
350000 EQUIPMENT
TT: Unibody vehicles commonly have lashing holes on the under body used for securing the vehicle during logistics -The lashing holes are intended to be plugged during Pre-Delivery Service (PDS) -The plugs are: oRequired for anti-corro
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 160000 STRUCTURE
20200528
160000 STRUCTURE
TT: Unibody vehicles commonly have lashing holes on the under body used for securing the vehicle during logistics -The lashing holes are intended to be plugged during Pre-Delivery Service (PDS) -The plugs are: oRequired for anti-corro
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
20200511
280000 BACK OVER PREVENTION
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0039-19. The aforementioned bulletin is obsolete, and any printed versions should be discarded. Be sure to review the entire content
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200511
110000 ELECTRICAL SYSTEM
TSB: OBSOLETE NOTICE May 11, 2020: This bulletin is now obsolete. Please see T-SB-0047-20.
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200303
350000 EQUIPMENT
TSB: An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio Plus, and Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also be
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200303
110000 ELECTRICAL SYSTEM
TSB: An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio Plus, and Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also be
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200513
350000 EQUIPMENT
TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (Data Communication Module/telematics transceiver) inopera
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 030000 BRAKES (PWS)
20200310
030000 BRAKES (PWS)
TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage cond
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 350000 EQUIPMENT
20200310
350000 EQUIPMENT
TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage cond
This 2020 TOYOTA SIENNA Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200310
110000 ELECTRICAL SYSTEM
TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage cond
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